在使用手电钻、电砂轮等手持电动工具时，为保证安全，应采取什么措施？
参考答案：
装设漏电保护器。
She remembered several occasions in the past she had experienced a similar feeling.
A．which
B．where
C．what
D．when
2 7 28 63 ( ) 215
A．116
B．126
C．138
D．142
